29370139 has 4 divisors (see below), whose sum is σ = 29519424. Its totient is φ = 29220856.

The previous prime is 29370079. The next prime is 29370157. The reversal of 29370139 is 93107392.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 29370139 - 2¹⁹ = 28845851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29370179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74347 + ... + 74740.

It is an arithmetic number, because the mean of its divisors is an integer number (7379856).

Almost surely, 2^29370139 is an apocalyptic number.

29370139 is a deficient number, since it is larger than the sum of its proper divisors (149285).

29370139 is a wasteful number, since it uses less digits than its factorization.

29370139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149284.

The product of its (nonzero) digits is 10206, while the sum is 34.

The square root of 29370139 is about 5419.4223861958. The cubic root of 29370139 is about 308.5332689784.

The spelling of 29370139 in words is "twenty-nine million, three hundred seventy thousand, one hundred thirty-nine".